For something in the middle of the price range, take a look at these Mini Rodini Leggings. While the price is very reasonable, this item is an easy wardrobe update. It's also worth checking out these Kenzo Leggings. This product is extremely popular and, just as importantly, not very expensive.
If you're willing to splurge, then you won't be disappointed if you check out these Kenzo Leggings. It's a costly but smart option.